xref: /openbmc/linux/sound/soc/intel/avs/boards/probe.c (revision 4e174665)
1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
4 //
5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
6 //          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
7 //
8 
9 #include <linux/device.h>
10 #include <linux/module.h>
11 #include <sound/soc.h>
12 #include <sound/soc-acpi.h>
13 
14 SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY()));
15 SND_SOC_DAILINK_DEF(probe_cp, DAILINK_COMP_ARRAY(COMP_CPU("Probe Extraction CPU DAI")));
16 SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("probe-platform")));
17 
18 static struct snd_soc_dai_link probe_mb_dai_links[] = {
19 	{
20 		.name = "Compress Probe Capture",
21 		.nonatomic = 1,
22 		SND_SOC_DAILINK_REG(probe_cp, dummy, platform),
23 	},
24 };
25 
26 static int avs_probe_mb_probe(struct platform_device *pdev)
27 {
28 	struct device *dev = &pdev->dev;
29 	struct snd_soc_acpi_mach *mach;
30 	struct snd_soc_card *card;
31 	int ret;
32 
33 	mach = dev_get_platdata(dev);
34 
35 	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
36 	if (!card)
37 		return -ENOMEM;
38 
39 	card->name = "avs_probe_mb";
40 	card->dev = dev;
41 	card->owner = THIS_MODULE;
42 	card->dai_link = probe_mb_dai_links;
43 	card->num_links = ARRAY_SIZE(probe_mb_dai_links);
44 	card->fully_routed = true;
45 
46 	ret = snd_soc_fixup_dai_links_platform_name(card, mach->mach_params.platform);
47 	if (ret)
48 		return ret;
49 
50 	return devm_snd_soc_register_card(dev, card);
51 }
52 
53 static struct platform_driver avs_probe_mb_driver = {
54 	.probe = avs_probe_mb_probe,
55 	.driver = {
56 		.name = "avs_probe_mb",
57 		.pm = &snd_soc_pm_ops,
58 	},
59 };
60 
61 module_platform_driver(avs_probe_mb_driver);
62 
63 MODULE_LICENSE("GPL");
64 MODULE_ALIAS("platform:avs_probe_mb");
65